Retire ThreadState::registerPreFinalizer<T>()

third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.cpp

 /*
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 361 matching lines @@
       m_expiration(std::numeric_limits<double>::quiet_NaN()),
       m_keyStatusesMap(new MediaKeyStatusMap()),
       m_isUninitialized(true),
       m_isCallable(false),
       m_isClosed(false),
       m_closedPromise(new ClosedPromise(scriptState->getExecutionContext(),
                                         this,
                                         ClosedPromise::Closed)),
       m_actionTimer(this, &MediaKeySession::actionTimerFired) {
   DVLOG(MEDIA_KEY_SESSION_LOG_LEVEL) << __func__ << "(" << this << ")";
-  ThreadState::current()->registerPreFinalizer(this);
 
   // Create the matching Chromium object. It will not be usable until
   // initializeNewSession() is called in response to the user calling
   // generateRequest().
   WebContentDecryptionModule* cdm = mediaKeys->contentDecryptionModule();
   m_session = WTF::wrapUnique(cdm->createSession());
   m_session->setClientInterface(this);
 
   // From https://w3c.github.io/encrypted-media/#createSession:
   // MediaKeys::createSession(), step 3.
@@ skipping 652 matching lines @@
   visitor->trace(m_asyncEventQueue);
   visitor->trace(m_pendingActions);
   visitor->trace(m_mediaKeys);
   visitor->trace(m_keyStatusesMap);
   visitor->trace(m_closedPromise);
   EventTargetWithInlineData::trace(visitor);
   SuspendableObject::trace(visitor);
 }
 
 }  // namespace blink